python_score = int(input("请输入python分数："))
java_score = int(input("请输入java分数："))
c_score = int(input("请输入c分数："))
cpp_score = int(input("请输入c++分数："))
average_score = (python_score+java_score+c_score+cpp_score)/4
print("我的平均分：%.2f" % average_score)